Russia says it downed 221 Ukrainian drones launched on its territory overnight, in one of the largest aerial assaults since May.
More than half of the drones were intercepted over the Bryansk and Smolensk regions, south-west of Moscow, where Lukoil facilities were reportedly targeted, the defence ministry said.
Authorities in the Leningrad region reported that 28 drones were brought down and that a fire had broken out on a vessel in the Baltic port of Primorsk, Russia's largest oil terminal. They added that the blaze was extinguished without casualties or leaks.
Meanwhile, officials reported that two civilians were killed in Ukraine's Sumy region when a Russian glide bomb struck a village near the border.
Interceptions were reported across at least nine other regions of Russia, including Kaluga, Novgorod, and the Moscow area, where nine drones were said to have been destroyed. Debris was recorded across several areas, though Russian officials insisted there had been no casualties.
Seven people, including five civilians and two military personnel, were injured when a drone struck a bus in Bryansk, the region's Governor Alexander Bogomaz said.
Moscow's figures, which the BBC has not been able to independently verify, suggest Thursday night's attack constituted one of the largest Ukrainian aerial bombardments in over four months.
Russia reported having destroyed a record 524 drones on May 7. In comparison, Ukrainian officials stated that Russia had deployed 818 drones against their territory in recent weeks.
This aerial assault is described as one of the most significant for the Leningrad region since Russia's full-scale invasion of Ukraine three-and-a-half years ago, leading to temporary suspension of operations at St Petersburg's Pulkovo airport.
Cross-border drone raids have become an increasingly prominent feature of the war. A sustained Ukrainian drone attack in July forced the temporary closure of all of Moscow's airports.
In recent months, Ukrainian strikes have extended deep into Russian territory, targeting refineries, fuel depots, and logistics hubs hundreds of miles from the frontlines.
In response, Moscow has intensified its missile and drone strikes on Ukrainian cities and energy facilities over the summer as US-led peace talks have stalled.
The attacks occurred just before the start of a major military exercise between Russia and ally Belarus, staged every four years, and follow a recent incident where several Russian drones fell on Poland, raising tensions further.
